Home / 4,992.20-7,488.30-4,723.40

Finding the Fourth Proportional to 4,992.20, 7,488.30 and 4,723.40

Calculator

Solution

The fourth proportional to 4,992.20, 7,488.30 and 4,723.40 is: 7,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.20 : 7,488.30 = 4,723.40 : x
  2. Step 2: Convert to fraction form
    4,992.20/7,488.30 = 4,723.40/x
  3. Step 3: Cross multiply
    4,992.20x = 7,488.30 × 4,723.40
  4. Step 4: Simplify right side
    4,992.20x = 35,370,236.22
  5. Step 5: Solve for x
    x = 35,370,236.22/4,992.20
  6. Step 6: Final answer
    x = 7,085.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.